The term 'SHIP'S FRONT' is composed of four words, each with a different number of letters. The first word is 'BOW', which is three letters long and refers to the front of a ship. The second word is 'PROW', which is four letters long and also refers to the front of a ship. The third word is 'STEM', which is four letters long and is the part of the ship that extends from the BOW to the stern. The fourth word is 'SCHOLAR', which is seven letters long and is not related to ships but is instead a person who studies a particular subject.